All iPhones and cellular-capable iPads come with SIM card slots on their sides. carriers, you may need to swap the SIM card in your iPhone or iPad. paperclip you bent earlier into the small pinhole opening in the SIM tray. If you have a SIM card in the tray, it's possible that the upper edge of the card is catching on the edge of the . ipad mini sim card slot wont open. Really dumb question: micro sim slot won't open Should I just be pressing or should I be trying to hook the slot/tray out? Specs: 15" MBP Unibody Ghz 4GB RAM GB HD,VERIZON iPhone 4,SIG P,iPad,6th Gen iPod NANO Sprint won't offer iPhone 4S with unlocked micro-SIM card slot.